package com.john.design.七大原则.依赖倒置原则;

/**
 * @Author: JohnCoding
 * @Description:
 * @date: 2020/8/9 16:03
 */
public class JavaCoure implements ICourse{
    public void studyCourse() {
        System.out.println("John在学习Java课程");
    }
}
